# SDR UPS405429

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N691UP](https://openairdocs.org/aircraft/N691UP), registered now
- Make and model: Boeing 747121
- Aircraft serial: 19641
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Blkhd Web
- Condition: Cracked
- Location: Bs 145
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS405429

## Discrepancy

WHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK IN BULKHEAD WEB AT BSTA 2160 LBL 35.  REPLACED WEB BETWEEN RBL 8 TO LBL 58, ALL TO SRM 51-40-02.

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